package com.itheima.reggie.web;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.service.ICategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private ICategoryService categoryService;

    /**
     * 添加分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> saveCategory(@RequestBody Category category){

        log.info("category:{}",category);
        //调用业务层执行添加操作
        categoryService.save(category);

        return R.success("添加成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        log.info("pege:{},{}",page,pageSize);

        //分页构造器
        Page<Category> pageinfo = new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper =new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageinfo,queryWrapper);
        return R.success(pageinfo);
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类，id为：{}",id);

        //categoryService.removeById(id);
        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list (Category category){

        //条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();

        //条件添加
        lambdaQueryWrapper.eq(category.getType() != null,Category ::getType,category.getType());

        //添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lambdaQueryWrapper);

        return R.success(list);
    }


}
